#ifndef __ASM_SH_STRING_H
#define __ASM_SH_STRING_H

/*
 * Copyright (C) 1999 Niibe Yutaka
 * But consider these trivial functions to be public domain.
 */

#define __HAVE_ARCH_STRCPY
static __inline__ char *strcpy (char *__dest, const char *__src)
{
	register char *__xdest = __dest;
	unsigned long __dummy;

	__asm__ __volatile__ ("1:\n\t"
			      "mov.b	@%1+, %2\n\t"
			      "mov.b	%2, @%0\n\t"
			      "cmp/eq	#0, %2\n\t"
			      "bf/s	1b\n\t"
			      " add	#1, %0\n\t":"=r" (__dest),
			      "=r" (__src), "=&z" (__dummy)
			      :"0" (__dest), "1" (__src)
			      :"memory", "t");

	return __xdest;
}

#define __HAVE_ARCH_STRNCPY
static __inline__ char *strncpy (char *__dest, const char *__src, size_t __n)
{
	register char *__xdest = __dest;
	unsigned long __dummy;

	if (__n == 0)
		return __xdest;

	__asm__ __volatile__ ("1:\n"
			      "mov.b	@%1+, %2\n\t"
			      "mov.b	%2, @%0\n\t"
			      "cmp/eq	#0, %2\n\t"
			      "bt/s	2f\n\t"
			      " cmp/eq	%5,%1\n\t"
			      "bf/s	1b\n\t"
			      " add	#1, %0\n"
			      "2:":"=r"
			      (__dest), "=r" (__src), "=&z" (__dummy)
			      :"0" (__dest), "1" (__src), "r" (__src + __n)
			      :"memory", "t");

	return __xdest;
}

#define __HAVE_ARCH_STRCMP
static __inline__ int strcmp (const char *__cs, const char *__ct)
{
	register int __res;
	unsigned long __dummy;

	__asm__ __volatile__ ("mov.b	@%1+, %3\n"
			      "1:\n\t"
			      "mov.b	@%0+, %2\n\t"
			      "cmp/eq #0, %3\n\t"
			      "bt	2f\n\t"
			      "cmp/eq %2, %3\n\t"
			      "bt/s	1b\n\t"
			      " mov.b	@%1+, %3\n\t"
			      "add	#-2, %1\n\t"
			      "mov.b	@%1, %3\n\t"
			      "sub	%3, %2\n"
			      "2:":"=r" (__cs),
			      "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
			      :"0" (__cs), "1" (__ct)
			      :"t");

	return __res;
}

#define __HAVE_ARCH_STRNCMP
static __inline__ int strncmp (const char *__cs, const char *__ct, size_t __n)
{
	register int __res;
	unsigned long __dummy;

	if (__n == 0)
		return 0;

	__asm__ __volatile__ ("mov.b	@%1+, %3\n"
			      "1:\n\t"
			      "mov.b	@%0+, %2\n\t"
			      "cmp/eq %6, %0\n\t"
			      "bt/s	2f\n\t"
			      " cmp/eq #0, %3\n\t"
			      "bt/s	3f\n\t"
			      " cmp/eq %3, %2\n\t"
			      "bt/s	1b\n\t"
			      " mov.b	@%1+, %3\n\t"
			      "add	#-2, %1\n\t"
			      "mov.b	@%1, %3\n"
			      "2:\n\t"
			      "sub	%3, %2\n"
			      "3:":"=r"
			      (__cs),
			      "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
			      :"0" (__cs), "1" (__ct), "r" (__cs + __n)
			      :"t");

	return __res;
}

#define __HAVE_ARCH_MEMSET
extern void *memset (void *__s, int __c, size_t __count);

#define __HAVE_ARCH_MEMCPY
extern void *memcpy (void *__to, __const__ void *__from, size_t __n);

#define __HAVE_ARCH_MEMMOVE
extern void *memmove (void *__dest, __const__ void *__src, size_t __n);

#define __HAVE_ARCH_MEMCHR
extern void *memchr (const void *__s, int __c, size_t __n);

#define __HAVE_ARCH_STRLEN
extern size_t strlen (const char *);

/* Don't build bcopy at all ...  */
#define __HAVE_ARCH_BCOPY

#endif /* __ASM_SH_STRING_H */
